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  • Springer  (65)
  • 2020-2022  (14)
  • 1985-1989  (34)
  • 1920-1924  (1)
  • 1905-1909  (16)
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  • 1
    Digitale Medien
    Digitale Medien
    Action spectrum for the effect of day-extensions on flowering and apex elongation in green, light-grown wheat (Triticum aestivum L.) (1989)
    Springer
    Planta 179 (1989), S. 428-432 
    Details
    ISSN: 1432-2048
    Schlagwort(e): Action spectrum ; Light-grown plants ; Photoperiodism ; Phytochrome (type I) ; Triticum (photoperiodism)
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Fluence-rate response curves for wavelengths from 640 nm to 730 nm were constructed for the day-extension promotion of flowering in green, light-grown, wheat (Triticum aestivum L., cv. Alexandria), a long-day plant. The resultant action spectrum had action maxima at 660 nm and 716 nm and resembles spectra for the high-irradiance reaction (HIR) seen in etiolated plants. Because, the HIR is thought to be controlled by type I pytochrome (that which is most abundant in etiolated tissue) our results indicate the involvement of type I phytochrome in the photomorphogenesis of a light-grown, green plant.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00397581
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Vergleich verschiedener planarer Passivierungstechniken für Halbleiterleistungsbauelemente (1989)
    Springer
    Electrical engineering 72 (1989), S. 89-94 
    Details
    ISSN: 1432-0487
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Elektrotechnik, Elektronik, Nachrichtentechnik
    Beschreibung / Inhaltsverzeichnis: Contents Different passivation techniques for planar semiconductor power devices with blocking voltages of 1600 V are studied using two-dimensional numerical simulations.
    Notizen: Übersicht Für die Entwicklung einer optimalen Planar-passivierung von Halbleiterleistungsbauelementen mit Sperrspannungen von 1600 V wird ein Vergleich verschiedener Strukturen anhand zweidimensionaler numerischer Simulationen durchgeführt.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01573642
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Angle-resolved thermal desorption of atoms from solid surfaces: one-phonon mechanism (1987)
    Springer
    Theoretical chemistry accounts 72 (1987), S. 475-484 
    Details
    ISSN: 1432-2234
    Schlagwort(e): Desorption ; Phonons ; Thermal
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract A model for one-phonon thermal desorption is presented in which the structure of the substrate phonons, expressed as a projection on a surface atom of the phonon density of states, appears as a separate factor in the angle- and energy-resolved desorption rate. Desorption from both localized, and delocalized initioladatom states is considered. Under certain circumstances one can obtain the cosine-distribution of the equilibrium theory, but in general, the desorption flux from delocalized states deviates from the cosine law by being peaked away from the surface normal, whereas for localized initiol states, the flux is concentrated more in the normal direction.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01192236
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Mapping of human autosomal phosphoglycerate kinase sequence to chromosome 19 (1986)
    Springer
    Somatic cell and molecular genetics 12 (1986), S. 395-401 
    Details
    ISSN: 1572-9931
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract In order to map human PGKsequences, DNA was prepared from 55 human-mouse somatic cell lines. The DNA was digested to completion with HindIII and Southern filters prepared. These filters were hybridized at high stringency conditions to a human PGKcDNA. Mouse and human X-linked and autosomal bands were distinguished and, in addition to known X-linked sequences, two autosomal PGKsequences were mapped: a 1-kb band to chromosome 19 and a 5-kb band to chromosome 6. The PGKcDNA probe was also hybridized to flow-sorted chromosomes confirming the presence of PGK sequences on the X chromosome and chromosomes 6 and 19.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01570734
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Humanα 2-macroglobulin gene is located on chromosome 12 (1985)
    Springer
    Somatic cell and molecular genetics 11 (1985), S. 285-289 
    Details
    ISSN: 1572-9931
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract A cDNA clone encoding amino acids 809–1451 of the protease inhibitor α2-macroglobulin has been isolated from an adult human liver cDNA library. This cDNA was used to examine DNA samples prepared from a panel of human-mouse somatic cell hybrids with different numbers and combinations of human chromosomes for the presence of the human α2-macroglobulin gene. The cosegregation of this gene and chromosome 12 in the cell hybrid panel indicated that the α2-macroglobulin structural gene (designated A2M) is on human chromosome 12.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01534685
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Long-range restriction map around 11p13 aniridia locus (1989)
    Springer
    Somatic cell and molecular genetics 15 (1989), S. 605-615 
    Details
    ISSN: 1572-9931
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Using two random DNA markers, and pulsed field gel electrophoresis, a 1.5-Mb physical map surrounding the 11p13 aniridia locus (AN2)has been assembled. The map was constructed using a combination of single- and double-restriction digests on DNA from normal controls and a patient transmitting familial aniridia. The aniridia patient has a chromosome translocation and the two DNA markers flank the breakpoint. This 11p13 breakpoint lies no further than 100 kb from the DNA marker 1104 (D11S95),located on the centromeric side of the breakpoint. Two CpG islands, separated by 550 kb and flanking the translocation, suggest an upper limit to the size of the gene.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01534921
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    Comment on a genetic application of square-lattice Kauffman models (1988)
    Springer
    Journal of statistical physics 52 (1988), S. 1129-1132 
    Details
    ISSN: 1572-9613
    Schlagwort(e): Kauffman model ; lattice model ; genetics ; biology
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Biological genes are argued to have an infinite range of interaction, in agreement with the original Kauffman model and in disagreement with recent modifications which put them on a lattice with nearest neighbor interaction.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01019744
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Digitale Medien
    Digitale Medien
    Localization of the ornithine aminotransferase gene and related sequences on two human chromosomes (1987)
    Springer
    Human genetics 〈Berlin〉 76 (1987), S. 121-126 
    Details
    ISSN: 1432-1203
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary We have used a full length cDNA clone to determine the chromosomal location ofthegene encoding human ornithine aminotransferase (OAT), a mitochondrial matrix enzyme. Southern blot analysis of ScaI-digested DNA from 34 human-mouse somatic cell hybrids revealed 11 human fragments. Three fragments mapped to chromosome 10q23-10qter, confirming the previous provisional assignment of the functional gene to this autosome by analysis of OAT expression in somatic cell hybrids (O'Donnell et al. 1985). The remaining eight fragments were assigned to the X chromosome, and regionally assigned to Xp21-Xp11 by use of an X-chromosome mapping panel. These X chromosome sequences could represent pseudogenes, or related members of a multigene family. Two of the X chromosome fragments are alternate alleles of a restriction fragment length polymorphism (RFLP) making this OAT-related locus an excellent genetic marker. The RFLP may now be used to determine any possible relationship between this locus and several X-linked eye defects.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00284906
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    Human ferritin H and L sequences lie on ten different chromosomes (1987)
    Springer
    Human genetics 〈Berlin〉 76 (1987), S. 66-72 
    Details
    ISSN: 1432-1203
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary In humans, the H (heavy) and L (light) chains of the iron-storage protein ferritin, are derived from multigene families. We have examined the chromosomal distribution of these H and L sequences by Southern analysis of hybrid cell DNA and by chrosomal in situ hybridization. Our results show that human ferritin H genes and related sequences are found on at least seven different chromosomes while L genes and related sequences are on at least three different chromosomes. Further, we have mapped the chromosomal location of expressed genes for human H and L ferritin chains and have found an H sequence which may be a useful marker for idiopathic hemochromatosis.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00283053
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Digitale Medien
    Digitale Medien
    A High-Performance Liquid Chromatographic Microassay Employing a Liquid–Solid Extraction Technique for Etintidine in Plasma (1987)
    Springer
    Pharmaceutical research 4 (1987), S. 133-136 
    Details
    ISSN: 1573-904X
    Schlagwort(e): etintidine ; high-performance liquid chromatography (HPLC) ; solid extraction ; determination of etintidine in plasma
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract This paper describes a new, rapid solid extraction method for the determination of etintidine in plasma. The method employs a semiautomatic sample preparation system. Plasma samples and the internal standard (cimetidine) were applied onto octyl-bonded silica extraction columns. The extraction columns were then subjected to Tris buffer and water wash and were subsequently loaded onto an automatic sample injection system. The contents of the extraction columns were eluted on-line with a mobile phase of acetonitrile:methanol:0.1% ammonium hydroxide (85:10:5, by volume) onto a silica analytical column and detected by UV absorption at 229 nm. The chromatographic condition separates etintidine from some of its metabolites and other endogenous components in plasma. The detection limit for etintidine was 0.02–0.05 µg/ml when 0.2 ml of plasma was used. This method has been used for the determination of plasma etintidine levels in humans and mice after oral administration of etintidine and was found to be suitable for pharmacokinetic/bioavailability studies of etintidine in humans and animals. The method can also be used for the quantitative determination of cimetidine and certain metabolites of etintidine.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1016419019715
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